Sanitary telephone-transmitter.



M. Y. GALGUTT. SANITARY TELEPHONE TRANSMITTER.

APPLICATION FILED APB..12, 1909.

Patented Dec. 14. 1909.

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WITNESSES 2w M. Y. GALGUTT. SANITARY TELEPHONE TRANSMITTER.

APPLIOATIOH FILED APR.12,1909.

Patented Dec. 14, 1909.

2 SHEETSSHEET 2.

INVENTUR MARVIN Y EALGUTT lE-I-iiiluB-i sire;

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SALTZTAEY TELEPHGNE-TRANSMITTER.

Specification of Letters Patent.

7 Application filed April 12, 1999. Serial No.

Patented lf 'ec. ii, 199% 488.246.

"1' h aZZ whom it may comers:

Be it known that I, .TM-AR'HN Y. GALGUT'I, a citizen of theUnitedStates, and a resident of Seattle. in the county of King and. State orlYnshinglon, aiidwhose post-oiiice address is cure oilildwin J. BrownUnion Block, as above, have invented certain new and useful Imgrovementsin Sanitary Telephoneimnsnrittcrs,- of which the following is aspecification.

My invention relates to improvements in telephone transmitters and itconsists in the constructions, combinetions arrange ments hereindescribed and claimed.

It is well known that the mouth-piece in common use is 21 most prolificsource of disease caused by the occumuletion of germs therein. This isespecially the case With public telephones which are used by allclasses. 1

An object of my invention is to provide a. device which will take theace of the ordinary mouth-piece and which Will he covered when not inuse, thereby preventing the accumulation of dust or germs.-

A further object of my invention is to providen eons by which thetransmitting incinher may be cleaned automatically and dishifected eachtime after its use.

A further object is to provide simple mechanism for accomplishing theabove named objects.

Other objects and advantages will appear in the following specificationand the novel features of the device will. be particularly pointed outin the appended claims.

. My invention is illustrated in the accompanying drawings in Whichliigurc 1 a side View, partly in section showing one embodiment of myinvention as applied to an ordinary transmitter. Fig. 2 is a front viev. of the protecting cover. Fig. 3 is a view of telephone showing theauto matic diaphragm cleaning means. Fig. 4: is e side viewcf the portsshown in 1 showing the. operation of the swivel joint. big. 5 is a; sideview partly in section of a modified form of transmitter.

In carrying out my invention, I make but little change in the ordinarytransmitter in common use. In Fig. l the transmitter cesing is shownetA, the carbon holder at B; end the mam transmitting oiephregm at G. lunscrew the ordlnary mouth piece end sucstitute the parts shown in Fig.1..

These com rise an annular 0 'ing 1) having a thr eded ponion (Z forethichmeut to the main casing A. Secured to The casing 11* in a recessis the auxiliary diaphragm E. This diaphragm is prefers a thin carbonsheet plated with silver or other metal. but may be made of glass bruss,herd rolled :ilun'iinum, celluloid or other suitable material. it oneside of the casing l) there is an extension (Z With the extra casing andthe threaded portion for attaching the same.

l norder to manipulate the cover I may provide the handle K and thecatch L or it may he opened and closed automaticully by the apparatusshown in Fig. 3. figure is shown the telepnone stand S the receiver andthe splin actuated receiver hook W of the ordinary The arm of the coverF is provided L. h an extension which is connected with the heel: "W bya link T.

In using the lifted from the manner, which spr 11* the cover H down intoshe position shown in dotted lines in By this movement the auxiliary dinhragin E is wiped clean and it fresh surface is presented. When.conversation is over the pad is brushed across the .tmie. of thediaphragm again and the hitter is kept cov ed, end in constant contactwith the disinfectant until it is-to he used again. This absolutely preynts the accumulation of dust or disease brecunng germs.

F or use with we; telephones, the handle would he grasped by the handand the telephone the receiver is hook F 111 the ordinary o 'wnrdly andthrows cover siding aside, and after use, brought back into positionagain.

F or convenience in applying the clisiir fectant to the pad H the co ermay he outwardly on the hinge g l.

1 claim:

1. in a. telephone, a trcnsm ter en 35?? on g mesa auxiliary diaphragmsecured thereto, a cover I across the face of said auxiliary diaphragm Ifor said auxiliary diaphragm and a cleaning pad carried by said coverand adapted -to be brought into contact with said diaphragm.

2. In a telephone, a transmitter casing, an auxiliary diaphragm securedthereto, a cover for said aux liary diaphragm and a disinfectant padcarried by said cover and ada ted to be brought into contact with saiddiaphragm. v

3. In a telephone, a transmitter casing, an

auxiliary diaphragm secured thereto, a cover for said auxilia diaphragmpivotally secured to said caslng, a resilient pad carried by said coverand arranged to be moistened with disinfectant solution and to be movedwhen the cover is turned on its pivot.

4. Ina telephone, a transmitter casing, an auxiliary diaphragm securedthereto, a cover for said auxiliary diaphragm pivotally secured to saidcasing, a reslhent pad carried by said cover and arranged to bem'olstenedwith disinfectant. solution, a switch hook, a receiver carriedthereby and means connecting said hook and said cover for shiftin fromor into contact'with said lifted from or replaced on thejhook.

MARVIN Y. CALCUTT. Witnesses:

WM. P; PARKs, D. BURGESS.

